[Blackfin] arch: add i2c board info struct and move to new-style i2c interface

Signed-off-by: Bryan Wu <cooloney@kernel.org>

3 files changed, 99 insertions, 0 deletions

diff --git a/arch/blackfin/mach-bf533/boards/stamp.c b/arch/blackfin/mach-bf533/boards/stamp.c
index ecf449b322d..32b37afc6e6 100644
--- a/arch/blackfin/mach-bf533/boards/stamp.c
+++ b/arch/blackfin/mach-bf533/boards/stamp.c
@@ -40,6 +40,7 @@
 #endif
 #include <linux/ata_platform.h>
 #include <linux/irq.h>
+#include <linux/i2c.h>
 #include <asm/dma.h>
 #include <asm/bfin5xx_spi.h>
 #include <asm/reboot.h>
@@ -474,6 +475,31 @@ static struct platform_device i2c_gpio_device = {
 };
 #endif
 
+#ifdef CONFIG_I2C_BOARDINFO
+static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
+#if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
+	{
+		I2C_BOARD_INFO("ad7142_joystick", 0x2C),
+		.type = "ad7142_joystick",
+		.irq = 39,
+	},
+#endif
+#if defined(CONFIG_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
+	{
+		I2C_BOARD_INFO("pcf8574_lcd", 0x22),
+		.type = "pcf8574_lcd",
+	},
+#endif
+#if defined(CONFIG_TWI_KEYPAD) || defined(CONFIG_TWI_KEYPAD_MODULE)
+	{
+		I2C_BOARD_INFO("pcf8574_keypad", 0x27),
+		.type = "pcf8574_keypad",
+		.irq = 39,
+	},
+#endif
+};
+#endif
+
 static struct platform_device *stamp_devices[] __initdata = {
 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 	&rtc_device,
@@ -528,6 +554,12 @@ static int __init stamp_init(void)
 	int ret;
 
 	printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
+
+#ifdef CONFIG_I2C_BOARDINFO
+	i2c_register_board_info(0, bfin_i2c_board_info,
+				ARRAY_SIZE(bfin_i2c_board_info));
+#endif
+
 	ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
 	if (ret < 0)
 		return ret;
diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c
index 09828a0e999..f81a9b8a640 100644
--- a/arch/blackfin/mach-bf537/boards/stamp.c
+++ b/arch/blackfin/mach-bf537/boards/stamp.c
@@ -41,6 +41,7 @@
 #include <linux/ata_platform.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
+#include <linux/i2c.h>
 #include <linux/usb/sl811.h>
 #include <asm/dma.h>
 #include <asm/bfin5xx_spi.h>
@@ -700,6 +701,31 @@ static struct platform_device i2c_bfin_twi_device = {
 };
 #endif
 
+#ifdef CONFIG_I2C_BOARDINFO
+static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
+#if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
+	{
+		I2C_BOARD_INFO("ad7142_joystick", 0x2C),
+		.type = "ad7142_joystick",
+		.irq = 55,
+	},
+#endif
+#if defined(CONFIG_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
+	{
+		I2C_BOARD_INFO("pcf8574_lcd", 0x22),
+		.type = "pcf8574_lcd",
+	},
+#endif
+#if defined(CONFIG_TWI_KEYPAD) || defined(CONFIG_TWI_KEYPAD_MODULE)
+	{
+		I2C_BOARD_INFO("pcf8574_keypad", 0x27),
+		.type = "pcf8574_keypad",
+		.irq = 72,
+	},
+#endif
+};
+#endif
+
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 static struct platform_device bfin_sport0_uart_device = {
 	.name = "bfin-sport-uart",
@@ -829,6 +855,12 @@ static struct platform_device *stamp_devices[] __initdata = {
 static int __init stamp_init(void)
 {
 	printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
+
+#ifdef CONFIG_I2C_BOARDINFO
+	i2c_register_board_info(0, bfin_i2c_board_info,
+				ARRAY_SIZE(bfin_i2c_board_info));
+#endif
+
 	platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 	spi_register_board_info(bfin_spi_board_info,
@@ -838,6 +870,7 @@ static int __init stamp_init(void)
 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 	irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
 #endif
+
 	return 0;
 }
 
diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c
index dc3c0156f37..04c0c8df6e9 100644
--- a/arch/blackfin/mach-bf548/boards/ezkit.c
+++ b/arch/blackfin/mach-bf548/boards/ezkit.c
@@ -36,6 +36,7 @@
 #include <linux/spi/spi.h>
 #include <linux/spi/flash.h>
 #include <linux/irq.h>
+#include <linux/i2c.h>
 #include <linux/interrupt.h>
 #if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
 #include <linux/usb/musb.h>
@@ -573,6 +574,29 @@ static struct platform_device i2c_bfin_twi1_device = {
 #endif
 #endif
 
+#ifdef CONFIG_I2C_BOARDINFO
+static struct i2c_board_info __initdata bfin_i2c_board_info0[] = {
+};
+
+#if !defined(CONFIG_BF542)	/* The BF542 only has 1 TWI */
+static struct i2c_board_info __initdata bfin_i2c_board_info1[] = {
+#if defined(CONFIG_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
+	{
+		I2C_BOARD_INFO("pcf8574_lcd", 0x22),
+		.type = "pcf8574_lcd",
+	},
+#endif
+#if defined(CONFIG_TWI_KEYPAD) || defined(CONFIG_TWI_KEYPAD_MODULE)
+	{
+		I2C_BOARD_INFO("pcf8574_keypad", 0x27),
+		.type = "pcf8574_keypad",
+		.irq = 212,
+	},
+#endif
+};
+#endif
+#endif
+
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 #include <linux/gpio_keys.h>
 
@@ -672,6 +696,16 @@ static struct platform_device *ezkit_devices[] __initdata = {
 static int __init ezkit_init(void)
 {
 	printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
+
+#ifdef CONFIG_I2C_BOARDINFO
+	i2c_register_board_info(0, bfin_i2c_board_info0,
+				ARRAY_SIZE(bfin_i2c_board_info0));
+#if !defined(CONFIG_BF542)	/* The BF542 only has 1 TWI */
+	i2c_register_board_info(1, bfin_i2c_board_info1,
+				ARRAY_SIZE(bfin_i2c_board_info1));
+#endif
+#endif
+
 	platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 
 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)